[Exclusive Riho Shishido takes on NTR work for the first time!] Riho, who is worried about living together with her boyfriend, consults a caring senior at work, but is persuaded by his eloquent words and crosses the line. At first she resists, but she becomes addicted to his virility and orgasm techniques that her boyfriend does not have. She climaxes so much that her body arches back as he slams his cock into her big ass repeatedly in the bent-over position and from behind. In response, she serves him with a titjob and cowgirl position with her beautiful G-cup breasts. Riho and her relationship, which was supposed to be a fun life together, falls apart...